Running awfully late here is the latest edition of the weekly #histSTM links list Whewell’s Gazette bringing you all the fascinating posts, articles and other offerings in the histories of science, technology and medicine that our legions of Internet elves could find in the second week of advent.

In any given week the balance of the number of posts in the various rubrics in our humble Gazette varies, with sometimes Physics, Astronomy and Space Science dominating, as this week, or on other occasions the Earth Sciences or Technology having the most entries. However over time I have noticed that there are always relatively few posts on the history of chemistry. I don’t know whether this is due to a paucity of history of chemistry material on the web or whether I am just not catching enough of what is out there.

If you post on the history of chemistry or know somebody who does and the posts are failing to appear here on Whewell’s Gazette then please draw attention to this deficit in some way. Join Twitter and tip me off so that I follow you or send me an email with a list of your posts and links. I would like to see more history of chemistry here at the Gazette so make it your #histSTM charitable act for Christmas to draw my attention to all those post that I sure I’m missing.

Looking festive and tasty! Cladonia rangiferina has been collected and vouchered in California only twice, in 1999 by Ronald and Judith Robertson, and in 1975 in Del Norte Co., in the Smith River canyon. The Robertsons collected Cladonia rangiferina once in Humboldt County in the remnant forest of Lanphere Dunes, a US Fish & Wildlife Refuge.